Significado: https://analesranm.es/revista/2019/136_02/13602rev06
Investigaciones: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8304815/
Edema pulmonar: pubmed.ncbi.nlm.nih.gov/23136042/
Cigarrillos: www.ncbi.nlm.nih.gov/pmc/articles/PMC8304815/
Carcinoma pulmonar: pubmed.ncbi.nlm.nih.gov/29309077/
COVID-19: información: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7646023/
foto: https://analesranm.es/revista/2020/137_02/13702_rev06